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            <h1 style="display: none">transition动画组件</h1>
            
            
              <div class="markdown-body">
                
                <h1 id="transition动画组件"><a href="#transition动画组件" class="headerlink" title="transition动画组件"></a>transition动画组件</h1><h3 id="自定义过渡-class-类名"><a href="#自定义过渡-class-类名" class="headerlink" title="自定义过渡 class 类名"></a>自定义过渡 class 类名</h3><p>trasnsition props</p>
<ul>
<li><code>enter-from-class</code></li>
<li><code>enter-active-class</code></li>
<li><code>enter-to-class</code></li>
<li><code>leave-from-class</code></li>
<li><code>leave-active-class</code></li>
<li><code>leave-to-class</code></li>
</ul>
<p>自定义过度时间 单位毫秒</p>
<p>你也可以分别指定进入和离开的持续时间：</p>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><code class="hljs vue">&lt;transition :duration=&quot;1000&quot;&gt;...&lt;/transition&gt;<br><br><br>&lt;transition :duration=&quot;&#123; enter: 500, leave: 800 &#125;&quot;&gt;...&lt;/transition&gt;<br></code></pre></td></tr></table></figure>



<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br></pre></td><td class="code"><pre><code class="hljs vue">&lt;template&gt;<br>  &lt;button @click=&quot;flag=!flag&quot;&gt;点击&#123;&#123; flag ? &#x27;隐藏&#x27; : &#x27;显示&#x27; &#125;&#125;&lt;/button&gt;<br>  &lt;transition leave-from-class=&quot;leaveFrom&quot; leave-active-class=&quot;leaveActive&quot; leave-to-class=&quot;leaveTo&quot;<br>              enter-from-class=&quot;enterFrom&quot; enter-active-class=&quot;enterActive&quot; enter-to-class=&quot;enterTo&quot;&gt;<br>    &lt;div id=&quot;att&quot; v-if=&quot;flag&quot;&gt;&lt;/div&gt;<br>  &lt;/transition&gt;<br>&lt;/template&gt;<br><br>&lt;script setup lang=&quot;ts&quot;&gt;<br>import &#123;defineAsyncComponent, reactive, ref&#125; from &quot;vue&quot;;<br>import A from &#x27;./A.vue&#x27;<br><br>const flag = ref&lt;boolean&gt;(true)<br>&lt;/script&gt;<br>&lt;style scoped lang=&quot;scss&quot;&gt;<br>#att &#123;<br>  margin: 10px 10px;<br>  width: 300px;<br>  height: 300px;<br>  background: red;<br>&#125;<br><br>.leaveFrom&#123;<br>  margin: 10px 10px;<br>  width: 300px;<br>  height: 300px;<br>  background: red;<br>&#125;<br><br>.leaveActive&#123;<br>  transition: all 1.5s ease;<br>&#125;<br><br>.leaveTo&#123;<br>  margin: 10px 10px;<br>  width: 0;<br>  height: 0;<br>  background: red;<br>&#125;<br><br>.enterTo&#123;<br>  margin: 10px 10px;<br>  width: 300px;<br>  height: 300px;<br>  background: red;<br>&#125;<br><br>.enterActive&#123;<br>  transition: all 1s linear;<br>&#125;<br><br>.enterFrom&#123;<br>  margin: 10px 10px;<br>  width: 0;<br>  height: 0;<br>  background: red;<br>&#125;<br>&lt;/style&gt;<br></code></pre></td></tr></table></figure>

<p>通过自定义class 结合css动画库animate css</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><code class="hljs bash">npm install animate.css<br></code></pre></td></tr></table></figure>

<p><a target="_blank" rel="noopener" href="https://animate.style/">官网</a></p>
<p><strong>引入</strong> </p>
<figure class="highlight javascript"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><code class="hljs javascript"><span class="hljs-keyword">import</span> <span class="hljs-string">&#x27;animate.css&#x27;</span><br></code></pre></td></tr></table></figure>

<p>使用方法</p>
<p>官方文档 <a target="_blank" rel="noopener" href="https://animate.style/">Animate.css | A cross-browser library of CSS animations.</a></p>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br></pre></td><td class="code"><pre><code class="hljs vue">&lt;transition<br>    leave-active-class=&quot;animate__animated animate__bounceInLeft&quot;<br>    enter-active-class=&quot;animate__animated animate__bounceInRight&quot;<br>&gt;<br>    &lt;div v-if=&quot;flag&quot; class=&quot;box&quot;&gt;&lt;/div&gt;<br>&lt;/transition&gt;<br></code></pre></td></tr></table></figure>

<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br></pre></td><td class="code"><pre><code class="hljs vue">&lt;template&gt;<br>  &lt;button @click=&quot;flag=!flag&quot;&gt;点击&#123;&#123; flag ? &#x27;隐藏&#x27; : &#x27;显示&#x27; &#125;&#125;&lt;/button&gt;<br>  &lt;transition leave-active-class=&quot;animate__animated animate__bounceInLeft&quot; enter-active-class=&quot;animate__animated animate__bounceInRight&quot;&gt;<br>    &lt;div id=&quot;att&quot; v-if=&quot;flag&quot;&gt;&lt;/div&gt;<br>  &lt;/transition&gt;<br>&lt;/template&gt;<br><br>&lt;script setup lang=&quot;ts&quot;&gt;<br>import &#123;defineAsyncComponent, reactive, ref&#125; from &quot;vue&quot;;<br>import A from &#x27;./A.vue&#x27;<br>import &#x27;animate.css&#x27;<br><br>const flag = ref&lt;boolean&gt;(true)<br>&lt;/script&gt;<br>&lt;style scoped lang=&quot;scss&quot;&gt;<br>#att &#123;<br>  margin: 10px 10px;<br>  width: 300px;<br>  height: 300px;<br>  background: red;<br>&#125;<br><br>.leaveFrom&#123;<br>  margin: 10px 10px;<br>  width: 300px;<br>  height: 300px;<br>  background: red;<br>&#125;<br><br>.leaveActive&#123;<br>  transition: all 1.5s ease;<br>&#125;<br><br>.leaveTo&#123;<br>  margin: 10px 10px;<br>  width: 0;<br>  height: 0;<br>  background: red;<br>&#125;<br><br>.enterTo&#123;<br>  margin: 10px 10px;<br>  width: 300px;<br>  height: 300px;<br>  background: red;<br>&#125;<br><br>.enterActive&#123;<br>  transition: all 1s linear;<br>&#125;<br><br>.enterFrom&#123;<br>  margin: 10px 10px;<br>  width: 0;<br>  height: 0;<br>  background: red;<br>&#125;<br>&lt;/style&gt;<br></code></pre></td></tr></table></figure>



<h1 id="3-transition-生命周期8个"><a href="#3-transition-生命周期8个" class="headerlink" title="3.transition 生命周期8个"></a>3.transition 生命周期8个</h1><figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br></pre></td><td class="code"><pre><code class="hljs vue">@before-enter=&quot;beforeEnter&quot; //对应enter-from<br>@enter=&quot;enter&quot;//对应enter-active<br>@after-enter=&quot;afterEnter&quot;//对应enter-to<br>@enter-cancelled=&quot;enterCancelled&quot;//显示过度打断<br>@before-leave=&quot;beforeLeave&quot;//对应leave-from<br>@leave=&quot;leave&quot;//对应enter-active<br>@after-leave=&quot;afterLeave&quot;//对应leave-to<br>@leave-cancelled=&quot;leaveCancelled&quot;//离开过度打断<br></code></pre></td></tr></table></figure>

<p>当只用 JavaScript 过渡的时候，在 <strong><code>enter</code> 和 <code>leave</code> 钩子中必须使用 <code>done</code> 进行回调</strong></p>
<p>结合gsap 动画库使用 <a target="_blank" rel="noopener" href="https://greensock.com/">GreenSock</a></p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><code class="hljs bash">npm install gsap -S<br></code></pre></td></tr></table></figure>

<p><strong>引入</strong></p>
<figure class="highlight javascript"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><code class="hljs javascript"><span class="hljs-keyword">import</span> gsap <span class="hljs-keyword">from</span> <span class="hljs-string">&#x27;gsap&#x27;</span><br></code></pre></td></tr></table></figure>



<figure class="highlight javascript"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br></pre></td><td class="code"><pre><code class="hljs javascript"><span class="hljs-keyword">const</span> <span class="hljs-title function_">beforeEnter</span> = (<span class="hljs-params">el: Element</span>) =&gt; &#123;<br>    <span class="hljs-variable language_">console</span>.<span class="hljs-title function_">log</span>(<span class="hljs-string">&#x27;进入之前from&#x27;</span>, el);<br>&#125;<br><span class="hljs-keyword">const</span> <span class="hljs-title function_">Enter</span> = (<span class="hljs-params">el: Element,done:<span class="hljs-built_in">Function</span></span>) =&gt; &#123;<br>    <span class="hljs-variable language_">console</span>.<span class="hljs-title function_">log</span>(<span class="hljs-string">&#x27;过度曲线&#x27;</span>);<br>    <span class="hljs-built_in">setTimeout</span>(<span class="hljs-function">()=&gt;</span>&#123;<br>       <span class="hljs-title function_">done</span>()<br>    &#125;,<span class="hljs-number">3000</span>)<br>&#125;<br><span class="hljs-keyword">const</span> <span class="hljs-title function_">AfterEnter</span> = (<span class="hljs-params">el: Element</span>) =&gt; &#123;<br>    <span class="hljs-variable language_">console</span>.<span class="hljs-title function_">log</span>(<span class="hljs-string">&#x27;to&#x27;</span>);<br>&#125;<br></code></pre></td></tr></table></figure>



<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br></pre></td><td class="code"><pre><code class="hljs vue">&lt;template&gt;<br>  &lt;button @click=&quot;flag=!flag&quot;&gt;点击&#123;&#123; flag ? &#x27;隐藏&#x27; : &#x27;显示&#x27; &#125;&#125;&lt;/button&gt;<br>  &lt;transition @beforeEnter=&quot;enterFrom&quot; @enter=&quot;enterActive&quot;&gt;<br>    &lt;div id=&quot;att&quot; v-if=&quot;flag&quot;&gt;&lt;/div&gt;<br>  &lt;/transition&gt;<br>&lt;/template&gt;<br><br>&lt;script setup lang=&quot;ts&quot;&gt;<br>import &#123;defineAsyncComponent, reactive, ref&#125; from &quot;vue&quot;;<br>import A from &#x27;./A.vue&#x27;<br>import &#x27;animate.css&#x27;<br>import gsap from &#x27;gsap&#x27;<br><br>const flag = ref&lt;boolean&gt;(true)<br><br>let enterFrom=(el:Element)=&gt;&#123;<br>  gsap.set(el,&#123;<br>    width:0,<br>    height:0<br>  &#125;);<br>&#125;<br>let enterActive=(el:Element,done:gsap.Callback)=&gt;&#123;<br>  gsap.to(el,&#123;<br>    width:300,<br>    height:300<br>  &#125;);<br>&#125;<br>&lt;/script&gt;<br>&lt;style scoped lang=&quot;scss&quot;&gt;<br>#att &#123;<br>  margin: 10px 10px;<br>  width: 300px;<br>  height: 300px;<br>  background: red;<br>&#125;<br>&lt;/style&gt;<br></code></pre></td></tr></table></figure>



<h1 id="4-appear"><a href="#4-appear" class="headerlink" title="4.appear"></a>4.appear</h1><p>通过这个属性可以设置初始节点过度 就是页面加载完成就开始动画 对应三个状态</p>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><code class="hljs vue">appear-active-class=&quot;&quot;<br>appear-from-class=&quot;&quot;<br>appear-to-class=&quot;&quot;<br>appear<br></code></pre></td></tr></table></figure>


                
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